Home / 132,236.50-198,388.31-61,210.37

Finding the Fourth Proportional to 132,236.50, 198,388.31 and 61,210.37

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Solution

The fourth proportional to 132,236.50, 198,388.31 and 61,210.37 is: 91,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,236.50 : 198,388.31 = 61,210.37 : x
  2. Step 2: Convert to fraction form
    132,236.50/198,388.31 = 61,210.37/x
  3. Step 3: Cross multiply
    132,236.50x = 198,388.31 × 61,210.37
  4. Step 4: Simplify right side
    132,236.50x = 12,143,422,286.17
  5. Step 5: Solve for x
    x = 12,143,422,286.17/132,236.50
  6. Step 6: Final answer
    x = 91,831.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.